Question

An element X belongs to group 2 and element Y belongs to group 17 of the periodic table :- (1) = How many valance election are there in X and Y? (2) What is the valancy of X and Y? ... (3) what is the chemical formula of compond of X and Y? {4} What type of compond X and Y are Formed?....{5} identify which one is metal and non-metal​

Answer 1

Answer:

1) x - 2 , y-7

2) X - 2. Y - 1

3) XY^2

4) X form basic compound and Y for acidic compound

5) X is metal and Y is non- metal

Answer 2

Answer:

1 . In X 2 electrons and in Y 7 valence electrons

2. valency of x is 2 and Y is 1

3. for element any q

xq2 and yq

4. X form ionic compound and y covalent

5. X is metal and Y is non metal